30 



A BACTEKIOLOGICAL STUDY OF EGGS. 





'2f900.000.000 



2,200,000.000 

 2,000.000,000 

 ^800,000.000 

 /,6OO,OOO,OOO 

 /4OO.OOO.OOO 

 /,2OO.OOO,OOO 



^000,000,000 

 600,000.000 



600,000.000 

 400.000,000 



200,000,000 



S 7 9 ./O // /2 & 





FIG. 1. Graph showing bacterial content of frozen eggs of known grades, examined at Intervals, and 



averaged by months. 



(Plotted data are averages of number of organisms developing at 25 C. and 37 C. in all samples 

 examined during the interval shown: A, compiled from Table 4; B, compiled from Tables 8 and 9; C, 

 compiled from Table 11; D, compiled from Table 12; E, compiled from Table 14.) 



